ai
ReAct
Reasoning and Acting
Definition
ReAct is a prompting framework that interleaves reasoning steps ("thoughts") with action calls (tool invocations) in a language model's output, creating a thought-action-observation loop. By reasoning before each action and incorporating tool results, ReAct agents produce more grounded, coherent multi-step behavior.
ReAct is foundational to the design of modern AI agent frameworks.
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